1. S. Hansen, J. Galsgaard, N. Foged, Rock mass characterization for Copenhagen Metro using face logs, in: ITA WTC 2015 Congress, 2015.
2. K.D. Weaver, Dam foundation grouting, ASCE Publication, 1991.
3. A. Naudts, E. Landry, S. Hooey, W. Naudts, Additives and Admixtures in Cement Based Grouts, in: L.F. Johnsen, D.A. Bruce, M.J. Byle (Eds.), Grouting and Ground Treatment, American Society of Civil Engineers, New Orleans, 2003, pp. 1180-1191.
4. N. Foged, I. Salomonsen, P. Jackson, R. MacKean, Evaluation of geo-related matters – EVA, Citytunneln Group E Report Grouting Evaluation, 2003.